Elite Trainer Gunnar Peterson Shares Secrets to Hitting Any Fitness Goal

Gunnar Peterson is happy to talk about his experiences as a trainer to some of the biggest names in TV, movies, and pro sports—just as long as you don’t mind that he’ll probably be finishing up his workout while he’s holding court. With clients to train, a gym to run, and a busy family life to boot, he’s more than adept at multitasking.

When I caught up with Peterson recently, he took the call from the treadmill, audibly moving and breathing heavy as he completed his morning session. Throughout the conversation, he was walking, stretching—then even swinging a mace at

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